Stop Paying $150+ Diagnostic Fees

Never Pay a Mechanic
Just to Read a Code.

Check Engine Light on? OBDAssistant connects to any standard $15 Bluetooth OBD2 scanner to tell you exactly what broke, if it's safe to drive, and how to fix it yourself for less.

Download Free on Android
$0.00
Free Code Scans
59
Verified Trouble Codes
1996+ petrol
2004+ diesel (NA)
OBDAssistant AI Car Diagnostic Screen
Diagnosis Complete
Safe to drive • Estimated fix: $25
Real-World Savings

The Dealership Scan vs. OBDAssistant

Why spend hours waiting at a shop just to find out your gas cap was loose?

The Traditional Dealership

Cost: $150 – $250
  • Must book an appointment days in advance
  • Charged $150+ flat diagnostic fee before repairs start
  • Given vague technical jargon without explanation
  • High risk of unnecessary part replacement upsells

With OBDAssistant™ AI

Cost: $0.00 Free Scan
  • Instant 30-second scan right in your driveway
  • Answers immediately: "Is it safe to drive to work?"
  • Plain-English explanation of exactly what part failed
  • Ranked DIY repair steps & estimated fair repair costs
Interactive Demo

Try an AI Diagnostic Scan

Click a common fault code below to see what OBDAssistant tells you in real time:

P0171 System Too Lean (Bank 1)
Moderate Severity

Is It Safe To Drive?

Yes, safe for short trips. Avoid heavy acceleration. Prolonged driving can overheat catalytic converters.

Repair Cost Estimate

DIY Fix: $15 - $45 (MAF cleaner / PCV hose)
Shop Repair: $140 - $350

Most Likely Root Cause:

Dirty Mass Air Flow (MAF) sensor or small vacuum leak in the air intake tube after the filter box.

View Full Technical Guide →
Hardware Made Easy

How It Works in 3 Simple Steps

You don't need expensive equipment. Any standard Bluetooth OBD2 scanner plugs straight into your car.

1

Get an Adapter

Use any standard $15 generic ELM327 Bluetooth adapter for instant pairing.

2

Plug It Into Your Car

Locate the standard OBD2 port under your steering wheel dashboard and plug the adapter in. No tools required.

3

Open App & Scan

Tap "Quick Scan" in OBDAssistant. Get your plain-English diagnosis, safety check, and live telemetry in seconds.

Built For Drivers

When You'll Thank Yourself for Having OBDAssistant

The Highway Warning

You're 50 miles from home and the Check Engine Light turns on. OBDAssistant instantly tells you if it's safe to keep driving or if you need to pull over immediately.

Buying a Used Car

Sellers often clear fault codes right before a test drive. Plug in OBDAssistant to inspect emissions readiness monitors and uncover hidden pending engine faults.

DIY Mechanic Repairs

stream every PID your vehicle exposes, from the full 250+ SAE J1979 set, graph O2 switching voltages, monitor fuel trims, and verify your repairs worked without buying expensive shop scanners.